:root {
  --primary: #0F172A;
  --primary-light: #1E293B;
  --accent: #0EA5E9;
  --accent-hover: #0284C7;
  --bg-light: #F8FAFC;
  --surface: #FFFFFF;
  --text-main: #0F172A;
  --text-muted: #475569;
  --border-color: #E2E8F0;
  --radius: 12px;
  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-width: 1200px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent-hover);
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}
.logo img {
  width: 40px;
  height: 40px;
}
.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #FFFFFF;
  padding: 5rem 0 6rem;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-content h1 {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-bottom: 1.25rem;
  font-weight: 700;
}
.hero-content p {
  font-size: 1.1rem;
  color: #94A3B8;
  margin-bottom: 2rem;
}
.btn {
  display: inline-block;
  background-color: var(--accent);
  color: #FFFFFF;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s, transform 0.2s;
}
.btn:hover {
  background-color: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
}
.hero-img-box {
  position: relative;
}
.hero-img-box img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

/* Stats Section */
.stats {
  background: var(--surface);
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-color);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}
.stat-item .num {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.25rem;
}
.stat-item .label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Process Section */
.section {
  padding: 5rem 0;
}
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.section-title p {
  color: var(--text-muted);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}
.process-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  text-align: center;
}
.process-icon {
  width: 60px;
  height: 60px;
  background: rgba(14, 165, 233, 0.1);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
}

/* Trust Card Block */
.trust-principles {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 3rem;
  border: 1px solid var(--border-color);
  margin-bottom: 4rem;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.trust-item {
  display: flex;
  gap: 1rem;
}
.trust-item i {
  font-size: 1.5rem;
  color: var(--accent);
  margin-top: 0.25rem;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}
.service-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}
.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.service-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.service-card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--primary);
}
.service-card-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Feature Asymmetric */
.feature-section {
  background: var(--surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.feature-img img {
  width: 100%;
  border-radius: var(--radius);
}
.feature-list {
  list-style: none;
  margin-top: 1.5rem;
}
.feature-list li {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.feature-list i {
  color: var(--accent);
  margin-top: 0.25rem;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: stretch;
}
.pricing-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-card.featured {
  border: 2px solid var(--accent);
  box-shadow: 0 10px 25px -5px rgba(14, 165, 233, 0.15);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: bold;
}
.pricing-price {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  margin: 1rem 0;
}
.pricing-features {
  list-style: none;
  margin: 1.5rem 0 2rem;
  flex-grow: 1;
}
.pricing-features li {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Lead Form Section */
.form-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 3.5rem 2rem;
  margin: 4rem 0;
}
.form-container {
  max-width: 650px;
  margin: 0 auto;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}
.form-control {
  width: 100%;
  padding: 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  font-family: inherit;
  font-size: 1rem;
}
textarea.form-control {
  resize: vertical;
  min-height: 120px;
}
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #94A3B8;
  margin-bottom: 1.5rem;
}
.checkbox-group input {
  margin-top: 0.2rem;
}
.checkbox-group a {
  color: var(--accent);
  text-decoration: underline;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-answer {
  padding: 0 1.5rem 1.25rem;
  display: none;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}
.faq-item.active .faq-answer {
  display: block;
  padding-top: 1rem;
}

/* Trust Layer (Pre-Footer) */
.trust-layer {
  background: #E2E8F0;
  padding: 2.5rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}
.trust-layer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

/* Footer */
footer {
  background: var(--primary);
  color: #94A3B8;
  padding: 3rem 0 1.5rem;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-col h4 {
  color: #fff;
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 0.5rem;
}
.footer-col ul a {
  color: #94A3B8;
}
.footer-col ul a:hover {
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary);
  color: #fff;
  padding: 1.25rem;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.2);
  z-index: 9999;
  display: none;
}
.cookie-container {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-buttons {
  display: flex;
  gap: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-grid, .feature-grid, .trust-layer-content {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-links.show {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}